Sorry Luv I'm only here for the points!
Please forgive me <3
Answer:The Second English Civil War (1648–1649) was the second of three civil wars known collectively as the English Civil War (or Wars), which refers to the series of armed conflicts and political machinations which took place between Parliamentarians and Royalists from 1642 until 1651 and also include the First English Civil War (1642–1646) and the Third English Civil War (1649–1651), all of which were part of the Wars of the Three Kingdoms.
Explanation:
It was the refinement of the Bessemer process, first used in the United States in the 1860s, that allowed for the major advance in skyscraper construction. As steel is stronger and lighter in weight than iron, the use of a steel frame made possible the construction of truly tall buildings.
Answer:
Immigrants to work in steel mills
Explanation:
I don't know if I'm right, but it sounds like it. There was more immigration from Europe, so they must need those immigrants to take jobs at steel mills, to produce munition plants, and to work at stockyards. This is just my best guess.